Texas Instruments: TRF7960AEVM Evaluation Module for the TRF7960A Multi-Protocol Fully Integrated 13.56-MHz RFID Writer/Reader IC

atomar — Wed, 25 Jun 2014 00:53:04 GMT

Current Revision posted to Documents by atomar on 6/25/2014 12:53:04 AM

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The Texas Instruments TRF7960AEVMTRF7960AEVM (Evaluation Module) allows the software application developer to get used to the different functionalities of TRF7960/1 Multi-Standard Fully Integrated 13.56 MHz RFID analog front end and data framing reader system.

The Texas Instruments multiProductLinkTRF7960 evaluation module (EVM) helps designers evaluate the performance of the TRF7960TRF7960 multiple-protocol RFID transceiver.
The EVM is used to demonstrate the capabilities of the device (32 pin QFN) and help aid the user in the development process.
The device incorporates an analog front end, protocol handling, framing, error checking, and multiple integrated voltage regulators with other features that allow the reader to be customized/configurable for the end application.

The TRF7960TRF7960 Multi-Standard Fully Integrated 13.56-MHz RFID AFE and Data Framing Reader System:

The TRF7960/61 is an integrated analog front end and data-framing system for a 13.56-MHz RFID reader system. Built-in programming options make it suitable for a wide range of applications for proximity and vicinity RFID systems.
The reader is configured by selecting the desired protocol in the control registers. Direct access to all control registers allows fine tuning of various reader parameters as needed.
A parallel or serial interface can be implemented for communication between the MCU and reader.
Transmit and receive functions use internal encoders and decoders with a 12-byte FIFO register. For direct transmit or receive functions, the encoders / decoders can be bypassed so the MCU can process the data in real time.
The transmitter has selectable output power levels of 100 mW (20 dBm) or 200 mW (23 dBm) into a 50- load (5 -V supply) and is capable of ASK or OOK modulation. Integrated voltage regulators ensure power-supply noise rejection for the complete reader system.
Data transmission comprises low-level encoding for ISO15693, modified Miller for ISO14443-A, high-bit-rate systems for ISO14443 and Tag-it coding systems. Included with the data encoding is automatic generation of SOF, EOF, CRC, and / or parity bits.
The receiver system enables AM and PM demodulation using a dual-input architecture.
The receiver system also includes a framing system. This system performs CRC and / or parity check, removes the EOF and SOF settings, and organizes the data in bytes. Framed data is then accessible to the MCU via a 12-byte FIFO register and MCU interface. The framing supports ISO14443 and ISO15693 protocols.
The TRF7960TRF7960/61 supports data communication levels from 1.8 V to 5.5 V for the MCU I/O interface, while also providing a data synchronization clock. An auxiliary 20-mA regulator (pin 32) is available for additional system circuits.

The TRF7960A Multi-Protocol Fully Integrated 13.56-MHz RFID Writer/Reader IC:

The TRF7960A is an integrated analog front end and data-framing device for a 13.56-MHz RFID reader/writer system. Built-in programming options make it suitable for wide range of applications for proximity and vicinity identification systems.
The reader is configured by selecting the desired protocol in the control registers. Direct access to all control registers allows fine tuning of various reader parameters as needed.

Key Applications: Secure Access Control, Product Authentication (Printer Ink Cartridges, Blood Glucose Monitors), Contactless Payment Systems, Medical Systems.

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Technical Documents

Learning Center

Type	Description
User Guide	TI: User Guide for TRF7960 Eval Module
Application Note	TI: Application Note for TRF7960A Firmware Design Hints
Application Note	TI: Application Note for TRF7960A Reference Firmware Description
Application Note	TI: Application Note for Antenna Matching for the TRF7960 RFID Reader

Design Elements

Type	Description
Schematics	TI: Schematic File for TRF7960EVM
BOM	TI: BOM File for TRF7960EVM
Application Library	TI: TRF7960A C Code Samples
Application Library	TI: TRF7960 Firmware Source Code for CCS
Application Library	TI: TRF7960EVM SPI and Parallel Communication Scope Shots

Video

www.youtube.com/watch

Kit Features

The TRF7960AEVMTRF7960AEVM Evaluation Module Contains all necessary components:

TRF7960TRF7960 Reader board with PCB antenna
Tag-it HF-I Inlay variety pack:
- 2 Large Rectangle Inlays (RI-I02-112A)
- 2 Square Inlays (RI-I11-112A)
- 2 Mini Rectangle Inlays (RI-I03-112A)
Complete TRF RFID reader system implemented
multiProductLinkTRF7960 is controlled by the Ultra-low power MSP430F2370MSP430F2370 microcontroller
On board PCB antenna and optional SMA connector location for external antennas
Independent, on board LED indicators to identify detection of the tags supported.
Graphical User Interface (GUI) to control the EVM

It also includes:

Support for the ISO 15693 standard
Support for both the ISO 14443A standard and the ISO 14443B standard (up to layer 4)
Support for the Texas Instruments Tag-it™ standard
Self contained – has an on-board 13.56-MHz loop antenna and interface
Communication with host software on a Windows-based PC through a standard USB cable
Protocol indication LEDs – (stand alone mode) required to indicate detection of a tag.

Kit Contents

The Texas Instruments TRF7960AEVMTRF7960AEVM TRF7960A Evaluation Module is supplied with below contents:

TRF7960AEVM
Sample bag of ISO15693 Transponders

Tags: trf7960a, trf7960aevm, texas_instruments, trf7960, trf7961